It is a collection of pus that is built-up within the tissue of the body. Abscess can develop in various parts of the body such as mouth, tooth or gum. However, it mostly develops on the back, chest, face, underarms, groin or buttocks. Most skin abscess are harmless and disappear without any treatment.
Causes: Staphylococcus bacterial infection is the most common cause of skin abscesses.
Symptoms:

• Discomfort in the area of abscess
• Increased sweating
• Vomiting
• Loss of appetite
• Weight loss
• Fatigue
• Constipation